OmniSwitch 6855 Series Chassis and Hardware Components OS6855-14/U10 Power Supplies
OmniSwitch 6855 Series Hardware Users Guide March 2009 page 2-33
PS-75I42DC48-P PoE Power Brick
The PS-75I42DC48-P DC PoE Power Brick provides Power over Ethernet for the OmniSwitch 6855-14
and can be installed as either the primary or backup PoE power supply.
75W, -54.5VDC PoE Power Brick
Note. The polarity of this PoE DC power supply is opposite of the non-PoE DC power supplies. See “PS-
I40DC2448 Power Brick” on page 2-31 and “PS-I40DC2448E Power Brick” on page 2-32.
P/S Component Description
Model PS-75I42DC48-P
Provides System Power For OS6855-14
Input Voltage Range -40 to -60 VDC
Inrush Current ETSI 300 132-2 Compliant
Maximum Output Power 75 W
Output Voltage -54 VDC, +/- 2%
Output Current 0.0 A (minimum), 1.2 A (maximum)
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